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what do these codes mean?

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Old Dec 26, 2015 | 12:49 AM
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Default what do these codes mean?

I was out re-flashing my 2005 softail with another fuel-moto tune i had on my power vision, a little later on i noticed my key light flashing, i did a diag with the power vision and come up with these 2 codes, if it means anything, i have a Dakota digital speedo.
U1255 Serial Data Error/Missing Message EFI
U1097 loss speedometer serial data.
i cleared them with the PV, haven't started or rode the bike since.
thanks
 
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Old Dec 26, 2015 | 06:25 AM
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There's a STICKY here on the Forums somewhere that explains all the codes thrown out by the ECM. Plus you can Google them. Remember Google?
 
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Old Dec 26, 2015 | 11:21 AM
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you think i haven't Google them?
it just brings my right to them threads you speak off, it just tells you what i posted above, what im asking..is what can cause "serial Data Error/Missing Message EFI AND loss speedometer serial data"
 
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